MoinMoin/Errors

2020 in /var/log/uwsgi/app.log MemoryError - and restart.
- Add to /etc/uwsgi/default.conf
```
max-requests = 1000
```
  - this causes uwsgi restart and cleanup after 1000 requests served.

2019 after upgrade to Ubuntu 18.04.1 nginx -> uwsgi -> moinmoin not loading 502 timeout from nginx

1st error
```
      cant read /usr/share/moin/server/moin.wsgi 
```
- Cause python-moinmoin un-installed during upgrade, add back with apt

2nd error uwsgi startup error in log

 Traceback (most recent call last):
  File "/usr/share/moin/server/moin.wsgi", line 42, in <module>
    from MoinMoin.web.serving import make_application
ImportError: No module named MoinMoin.web.serving

The newly installed moin.wsgi did not have the python path to find the moin modules. Add line to file
```
sys.path.insert(0,  '/usr/lib/python2.7/dist-packages')
```